Our Cycles of Wakefulness and Sleepiness Depend Mainly on

question 160

Multiple Choice

Our cycles of wakefulness and sleepiness depend mainly on

• A) changes in heart rate and blood pressure.
• B) detection of changes in magnetic field.
• C) hormones released by the adrenal gland.
• D) cyclic activity generated within the brain itself.

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Definitions:

Sex Chromosomes

Chromosomes that determine the biological sex of an individual, with human males typically having one X and one Y chromosome and females having two X chromosomes.

Autism Spectrum Disorder

A developmental disorder characterized by difficulties with social interaction and communication, and by restricted or repetitive patterns of thought and behavior.

Attention-Deficit/Hyperactivity Disorder

A neurodevelopmental disorder characterized by patterns of inattention and/or hyperactivity-impulsivity that interfere with functioning or development.

Antisocial Personality Disorder

A personality disorder in which a person (usually a man) exhibits a lack of conscience for wrongdoing, even toward friends and family members; may be aggressive and ruthless or a clever con artist.